Description
CMI-8338/PCI AUDIO Specification Preliminary Ver 0.2 CMI-8338/PCI - C3DX PCI-Based HRTF 3D extension Positional Audio Chip .
DIGITAL PIN DESCRIPTION
Name
XA31-XA0
XINTA XPRST XCLK33 XGNT XREQ
Number
PIN Type
90-94,97-99,4-8,11-13,25-26,29 I/O
-34,38-45
83
O
84
I
8.
Features
* ✓ HRTF-based 3D extension positional audio, supports Microsoft®’s DirectSound® 3D and Aureal®’s A3D® interface
✓ Supports rear side speaker, C3DX positional
audio in 4 CH speaker mode(CMI8338-4S) ✓ Legacy audio SB16™ compatible ✓ DLS-based wavetable music synthesizer,
supports Direct Music® ✓ Profes
Applications
* C-Media’s HRTF 3D library is licensed from Central Research Lab (CRL®), U. K, which presents one of the world's best HRTF libraries (CRL® also licensed its audio technology to YAMAHA®, ESS®, and other name-brand sound chip makers). PCI BUS
PCI interface
DMA engine IRQ control
SPDIF IN and OUT
E